CN112386219B - Neuroendoscopy sheath and manufacturing method thereof - Google Patents
Neuroendoscopy sheath and manufacturing method thereof Download PDFInfo
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- CN112386219B CN112386219B CN202011275298.9A CN202011275298A CN112386219B CN 112386219 B CN112386219 B CN 112386219B CN 202011275298 A CN202011275298 A CN 202011275298A CN 112386219 B CN112386219 B CN 112386219B
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- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
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Abstract
The invention discloses a neuroendoscope sheath and a manufacturing method thereof, and the neuroendoscope sheath comprises an inner layer, wherein the inner layer is made of a plastic sheet, an iron sheet layer is sleeved on the outer wall of the inner layer, an outer layer is sleeved on the outer wall of the iron sheet layer, the outer layer is made of hemostatic cloth, a fixing device comprises a cylinder, four connecting rods are fixedly arranged on the outer wall of the bottom end of the cylinder at equal intervals along the circumferential direction, fixing blocks are fixedly arranged at the lower ends of the connecting rods, sliding grooves are formed in the lower ends of the fixing blocks, and sliding blocks are arranged in the sliding grooves in a sliding manner. Has the advantages that: can utilize fixing device to carry out the centre gripping fixedly to the endoscope sheath subassembly to need not the manual work and support fixedly to the endoscope sheath, not only reduced staff's the amount of labour, make the fixed of endoscope sheath more stable moreover, be favorable to going on smoothly of operation, and can adjust the bore and the length of endoscope sheath, thereby can make the depth looks adaptation of the size of endoscope sheath and wound and hematoma.
Description
Technical Field
The invention relates to the field of neuroendoscopy sheaths, in particular to a neuroendoscopy sheath and a manufacturing method thereof.
Background
The hypertensive cerebral hemorrhage is the key and difficult point for treating by neurologists, the clinical fatality rate and disability rate of the hypertensive cerebral hemorrhage are the first of various cerebral apoplexy, most researches show that the surgical operation treatment is beneficial to cerebral hemorrhage patients with deteriorated consciousness or nerve function, and the fatality rate and disability rate of the cerebral hemorrhage patients can be reduced. 60% of hypertensive cerebral hemorrhage occurs in basal ganglia areas, and the operation of opening a bone window to remove hematoma is one of important means for treating hypertensive cerebral hemorrhage, but the traditional operation of removing the intracranial hematoma has large operation wound, difficult removal of dead-angle hematoma and more postoperative complications. The appearance of neuroendoscopy operation enables a patient to accurately complete complex brain operations under the condition of minimal invasion, so that the neuroendoscopy operation is a powerful weapon for treating neurologic diseases.
Also have the supplementary sheath of relevant neuroendoscopy among the prior art in the use, need artifically support fixedly to the endoscope sheath, not only poor stability causes the active bleeding easily, has caused the supporter fatigue easily moreover for a long time, and the bore and the length of current endoscope sheath are fixed, can not change the length and the bore of sheath according to the degree of depth of hematoma and working channel's bore, and it is comparatively inconvenient during the use.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention provides a neuroendoscope sheath and a method for manufacturing the same, which are directed to the problems in the related art, so as to overcome the technical problems in the related art.
The technical scheme of the invention is realized as follows:
according to one aspect of the present invention, a neuroendoscopic sheath is provided.
The neuroendoscopy sheath comprises an endoscope sheath component, a fixing device and a limiting device, wherein the endoscope sheath component comprises an inner layer, the inner layer is made of plastic sheets, an iron sheet layer is sleeved on the outer wall of the inner layer, an outer layer is sleeved on the outer wall of the iron sheet layer, the outer layer is made of hemostatic cloth, the fixing device comprises a cylinder, four connecting rods are fixedly arranged on the outer wall of the bottom end of the cylinder at equal intervals along the circumferential direction, fixing blocks are fixedly arranged at the lower ends of the connecting rods, sliding grooves are formed in the lower ends of the fixing blocks, sliding blocks are slidably arranged in the sliding grooves, adhesive plates are fixedly arranged under the sliding blocks, adhesive coatings are arranged on the lower surfaces of the adhesive plates, four first threaded holes are formed in the side wall of the cylinder at equal intervals along the circumferential direction, first lead screws are connected in the first threaded holes in a threaded manner, one ends of the first lead screws extend into the cylinder, and the outer wall of the cylinder is fixedly sleeved with first bearings, the first bearing is fixedly embedded in the outer wall of the clamping plate, electromagnets are fixedly arranged on the inner wall of the clamping plate, four sliding holes are formed in the upper end of the side wall of the cylinder at equal intervals along the circumferential direction, sliding rods are arranged in the sliding holes in a sliding manner, one end of each sliding rod is fixedly connected with the clamping plate, the limiting device comprises a first annular column, the first annular column is of a three-quarter annular structure, one end of the first annular column is fixedly provided with a second annular column, the second annular column is of a two-quarter annular structure, one end of the first annular column, far away from the second annular column, is provided with a sliding cavity, one end of the second annular column, far away from the first annular column, extends into the sliding cavity, the second annular column is in sliding connection with the inner wall of the sliding cavity, and the outer wall of one end of the first annular column, far away from the second annular column, is fixedly embedded with a threaded cylinder, just screw thread section of thick bamboo one end stretches into in the smooth intracavity, screw thread section of thick bamboo female connection has the second lead screw, first annular post lower extreme equidistant fixed be equipped with quantity be three clamping device, clamping device includes solid fixed splint, fixed plate and movable clamp plate, gu fixed splint fixes under the first annular post, the fixed plate just through the connecting plate with first annular post outer wall fixed connection, just the fixed plate with gu fixed splint phase-match, the second screw hole has all been seted up at the fixed plate middle part, second screw hole female connection has adjusting bolt, adjusting bolt is close to gu the fixed cover of fixed splint one end outer wall is equipped with the second bearing, the second bearing is fixed to be inlayed and is established movable splint one side, movable splint with gu fixed splint all is convex platelike structure, the fixed handheld handle that is equipped with of first annular post middle part outer wall, just handheld handle both sides outer wall all fixes and is equipped with the silica gel slipmat.
Furthermore, the clamping plate and the electromagnet are both in circular arc-shaped plate structures.
Furthermore, a limiting block is fixedly arranged at one end, far away from the clamping plate, of the sliding rod.
Furthermore, the first screw rod is far away from the fixed sleeve of the outer wall of one end of the first bearing and is provided with a first knob, and the outer wall of the first knob is processed with anti-skid convex grains.
Further, the first annular column and the second annular column are both made of an elastic material.
Furthermore, the outer wall of the outer end of the second screw rod is fixedly sleeved with a second knob, and the outer wall of the second knob is processed with anti-skid convex patterns.
Furthermore, the inner walls of the fixed clamping plate and the movable clamping plate are fixedly provided with anti-skid rubber pads.
According to another aspect of the present invention, a method of manufacturing a neuroendoscopic sheath is provided.
The manufacturing method of the neuroendoscope sheath comprises the following steps:
(1) Determining the length and diameter of the sheath;
(2) And manufacturing an inner layer and an iron sheet layer: preparing a transparent plastic sheet and an iron sheet, trimming the length of the firewood determined in the step (1) to obtain the long sides of the transparent plastic sheet and the iron sheet, calculating the circumference according to the diameter of the sheath determined in the step (1), and trimming the length of the circumference to obtain the wide sides of the transparent plastic sheet and the iron sheet to obtain an inner layer and an iron sheet layer;
(3) And manufacturing an outer layer: preparing a piece of medical hemostatic gauze, wherein the length of the medical hemostatic gauze is 0.3-6cm longer than that of the inner layer of the sheath, and the width of the medical hemostatic gauze is 0.5-0.9cm wider than that of the inner layer of the sheath;
(5) And manufacturing an endoscope sheath: rolling the inner layer into a cylindrical structure and bonding the inner layer with glue, then rolling the iron sheet layer into a cylindrical structure, sleeving the iron sheet layer on the outer wall of the inner layer and bonding the iron sheet layer with glue, and finally rolling the outer layer into a cylindrical structure, sleeving the iron sheet layer on the outer wall of the iron sheet layer and bonding the iron sheet layer with glue to obtain an inner lens sheath;
(6) And preparing a protective sheath: the upper end of the endoscope sheath is arranged between the movable clamping plates of the fixed clamping plates, and then the movable clamping plates are matched with the fixed clamping plates to clamp and fix the upper end of the endoscope sheath by turning the adjusting bolts.
Furthermore, the bonding parts of the inner layer, the iron sheet layer and the outer layer are positioned at the same side and are clamped and fixed through the movable clamping plate and the fixed clamping plate.
Compared with the prior art, the invention has the following beneficial effects: can utilize fixing device to carry out the centre gripping fixedly to the endoscope sheath subassembly to need not the manual work and support fixedly to the endoscope sheath, not only reduced staff's the amount of labour, make the fixed more stable of endoscope sheath moreover, be favorable to going on smoothly of operation, and can adjust the bore and the length of endoscope sheath, thereby can make the endoscope sheath with the size of wound and the degree of depth looks adaptation of hematoma.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a neuroendoscopic sheath according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural view of a fixing block in a neuroendoscope sheath according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a fixation block and an adhesive plate in a neuroendoscopic sheath according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an endoscope sheath assembly in a neuroendoscopic sheath according to an embodiment of the present invention;
FIG. 6 is a bottom view of a stop assembly in a neuroendoscopic sheath according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of a first annular post and a second annular post in a neuroendoscopic sheath in accordance with an embodiment of the present invention.
Reference numerals:
1. an inner layer; 2. an iron sheet layer; 3. an outer layer; 4. a cylinder; 5. a connecting rod; 6. a fixed block; 7. a chute; 8. a slider; 9. adhering the plate; 10. adhesive coating; 11. a first threaded hole; 12. a first lead screw; 13. a first bearing; 14. a splint; 15. an electromagnet; 16. a slide hole; 17. a slide bar; 18. a first annular column; 19. a second annular column; 20. a slide chamber; 21. a threaded barrel; 22. a second lead screw; 23. a clamping device; 24. fixing the clamping plate; 25. a fixing plate; 26. a movable splint; 27. a connecting plate; 28. a second threaded hole; 29. adjusting the bolt; 30. a second bearing; 31. a handle; 32. a silica gel non-slip pad; 33. a limiting block; 34. a first knob; 35. a second knob; 36. an anti-skid rubber pad; 37. an endoscope sheath assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
According to an embodiment of the present invention, a neuroendoscopic sheath is provided.
The neuroendoscopy sheath comprises an endoscope sheath component 37, a fixing device and a limiting device, wherein the endoscope sheath component 37 comprises an inner layer 1, the inner layer 1 is made of plastic sheets, an iron sheet layer 2 is sleeved on the outer wall of the inner layer 1, an outer layer 3 is sleeved on the outer wall of the iron sheet layer 2, the outer layer 3 is made of hemostatic cloth, the fixing device comprises a cylinder 4, four connecting rods 5 are fixedly arranged on the outer wall of the bottom end of the cylinder 4 at equal intervals along the circumferential direction, fixing blocks 6 are fixedly arranged at the lower ends of the connecting rods 5, sliding grooves 7 are respectively arranged at the lower ends of the fixing blocks 6, sliding blocks 8 are respectively arranged in the sliding grooves 7 in a sliding manner, adhesive plates 9 are respectively fixedly arranged below the sliding blocks 8, adhesive coatings 10 are respectively arranged on the lower surfaces of the adhesive plates 9, four first threaded holes 11 are respectively arranged on the side wall of the cylinder 4 at equal intervals along the circumferential direction, first threaded screws 12 are respectively connected in the first threaded holes 11, one end of the first screw rod 12 extends into the cylinder 4, the outer wall of the cylinder is fixedly sleeved with a first bearing 13, the first bearing 13 is fixedly embedded in the outer wall of a clamping plate 14, the inner wall of the clamping plate 14 is fixedly provided with an electromagnet 15, the upper end of the side wall of the cylinder 4 is provided with four sliding holes 16 at equal intervals along the circumferential direction, the sliding holes 16 are internally provided with sliding rods 17 in a sliding manner, one end of each sliding rod 17 is fixedly connected with the clamping plate 14, the limiting device comprises a first annular column 18, the first annular column 18 is of a three-quarter circular structure, one end of the first annular column 18 is fixedly provided with a second annular column 19, the second annular column 19 is of a two-quarter circular structure, one end of the first annular column 18, which is far away from the second annular column 19, is provided with a sliding cavity 20, and one end of the second annular column 19, which is far away from the first annular column 18, extends into the sliding cavity 20, just second annular post 19 with sliding chamber 20 inner wall sliding connection, first annular post 18 keeps away from 19 one end outer wall of second annular post is fixed to be inlayed and is equipped with a screw thread section of thick bamboo 21, just screw thread section of thick bamboo 21 one end stretches into in the sliding chamber 20, screw thread section of thick bamboo 21 female connection has second lead screw 22, first annular post 18 lower extreme equidistant fixed be equipped with quantity be three clamping device 23, clamping device 23 includes solid fixed splint 24, fixed plate 25 and movable clamp plate 26, gu fixed splint 24 fixes under first annular post 18, fixed plate 25 just through connecting plate 27 with first annular post 18 outer wall fixed connection, just fixed plate 25 with gu fixed splint 24 phase-match, second screw hole 28 has all been seted up in the middle part of fixed plate 25, second screw hole 28 female connection has adjusting bolt 29, adjusting bolt 29 is close to gu fixed splint 24 one end outer wall fixed cover is equipped with second bearing 30, second bearing 30 is fixed to be inlayed and is established movable clamp plate 26 one side, gu movable clamp plate 26 with fixed splint 24 all is the platelike structure, first annular post 18 middle part is equipped with solid fixed outer wall 31, and the fixed handle outer wall 31 is equipped with two fixed handles 32.
In a further embodiment, the clamping plate 14 and the electromagnet 15 are both in the shape of a circular arc plate.
In a further embodiment, a limit block 33 is fixedly arranged at one end of the slide bar 17 far away from the clamping plate 14.
In a further embodiment, a first knob 34 is fixedly sleeved on the outer wall of one end of the first screw rod 12 away from the first bearing 13, and anti-skid convex patterns are processed on the outer wall of the first knob 34.
In a further embodiment, said first annular column 18 and said second annular column 19 are both made of an elastic material.
In a further embodiment, the outer walls of the outer ends of the second lead screws 22 are fixedly sleeved with second knobs 35, and the outer walls of the second knobs 35 are processed with anti-skid convex patterns.
In a further embodiment, the inner walls of the fixed clamping plate 24 and the movable clamping plate 26 are both fixedly provided with anti-skid rubber pads 36.
The manufacturing method of the neuroendoscope sheath comprises the following steps:
s101, determining the length and the diameter of a sheath;
s103, manufacturing an inner layer and an iron sheet layer: preparing a transparent plastic piece and an iron piece, trimming the length of the firewood determined in the step 1 to obtain the long sides of the transparent plastic piece and the iron piece, calculating the circumference according to the diameter of the sheath determined in the step 1, trimming the wide sides of the transparent plastic piece and the iron piece according to the length of the circumference to obtain an inner layer and an iron piece layer;
s105, manufacturing an outer layer: preparing a piece of medical hemostatic gauze, wherein the length of the medical hemostatic gauze is 0.3-6cm longer than that of the inner layer of the sheath, and the width of the medical hemostatic gauze is 0.5-0.9cm wider than that of the inner layer of the sheath;
s107, manufacturing an endoscope sheath: rolling the inner layer into a cylindrical structure and bonding the inner layer by using glue, then rolling the iron sheet layer into a cylindrical structure, sleeving the outer wall of the inner layer and bonding the outer layer by using glue, and finally rolling the outer layer into a cylindrical structure, sleeving the outer wall of the iron sheet layer and bonding the outer layer by using glue to obtain an inner endoscopic sheath;
s109, preparing a protective sheath: the upper end of the endoscope sheath is arranged between the movable clamping plates of the fixed clamping plates, and then the adjusting bolt is turned to enable the movable clamping plates to be matched with the fixed clamping plates to clamp and fix the upper end of the endoscope sheath.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the adhesive coating 10 of the adhesive plate 9 is adhered to the periphery of a wound of a patient, the central position of the cylinder 4 is aligned with the wound of the patient, the cylinder 4 is fixed, the prepared endoscope sheath is placed between the clamping plates 14 on two sides, the first screw rod 12 is rotated through the first knob 34 to match the limiting effect of the sliding rod 17, the clamping plates 14 can be attached to the outer wall of the endoscope sheath, the depth of the endoscope sheath extending into the wound can be controlled through the handle 31, the electromagnet 15 is electrified after the specified depth is reached, the iron sheet layer 2 inside the endoscope sheath can be adsorbed and fixed through the electromagnet 15, the endoscope sheath assembly 37 can be clamped and fixed through the fixing device, the endoscope sheath does not need to be manually supported and fixed, the labor intensity of workers is reduced, the fixing amount of the endoscope sheath is more stable, the operation can be smoothly performed, the caliber and the length of the endoscope sheath can be adjusted, the size of the endoscope sheath can be matched with the depth of hematoma, the adhesive coating 10 on the adhesive plate 9 can be replaced when the adhesive coating fails, the adhesive coating can be replaced from the adhesive coating 10, the fixing device can be replaced from the fixing device, the adhesive sheath, the fixing device can be replaced, and the fixing device can be used for repeatedly used for replacing the endoscope sheath, and the endoscope sheath, the fixing device for replacing the endoscope sheath, and the fixing device for repeatedly replacing the endoscope sheath, and the fixing clip 24, and the endoscope sheath.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a neural endoscope sheath, includes scope sheath subassembly (37), fixing device and stop device, scope sheath subassembly (37) includes inlayer (1), inlayer (1) is made by the plastic film, its characterized in that, inlayer (1) outer wall cover is equipped with iron sheet layer (2), iron sheet layer (2) outer wall cover is equipped with skin (3), skin (3) are made by hemostatic cloth, fixing device includes drum (4), drum (4) bottom outer wall is equipped with connecting rod (5) that quantity is four along the equidistant fixed of circumferencial direction, connecting rod (5) lower extreme all is fixed and is equipped with fixed block (6), spout (7) are all seted up to fixed block (6) lower extreme, all slide in spout (7) and be equipped with slider (8), all fixed adhesion plate (9) that is equipped with under slider (8), adhesion plate (9) lower surface all is equipped with viscose coating (10), drum (4) lateral wall is equipped with quantity is first screw hole (11) that are four along the equidistant of circumferencial direction, equal threaded connection has first lead screw (12) in first screw hole (11), first lead screw (12) outer wall (13) is equipped with first axle bearing and fixed axle (13) is inlayed in drum (13), the utility model discloses a slide bar, including clamp plate (14), drum (4), slide bar (18), stop device, slide bar (17), slide bar (19), stop device, first annular post (18) are three-quarter ring structure, first annular post (18) one end is fixed and is equipped with second annular post (19), second annular post (19) are two-quarter ring structure, first annular post (18) are kept away from slide chamber (20) have been seted up to second annular post (19) one end, second annular post (19) keep away from first annular post (18) one end stretch into in slide chamber (20), just second annular post (19) with slide chamber (20) inner wall sliding connection, first annular post (18) are kept away from second annular post (19) one end is fixed and is equipped with thread tube (21), and thread tube (21) one end is fixed and is inlayed to thread tube (21), and thread tube (21) fixed and thread tube (23) are equipped with the first annular post (18) lower extreme is connected with the clamp device (23), the second annular post (18) lower extreme is equipped with the thread tube (23), the clamp device (23) is three, the fixing device comprises a fixing plate (25) and a movable clamping plate (26), wherein the fixing clamping plate (24) is fixed below the first annular column (18), the fixing plate (25) is fixedly connected with the outer wall of the first annular column (18) through a connecting plate (27), the fixing plate (25) is matched with the fixing clamping plate (24), a second threaded hole (28) is formed in the middle of the fixing plate (25), an adjusting bolt (29) is connected to the inner thread of the second threaded hole (28), a second bearing (30) is fixedly sleeved on the outer wall of one end, close to the fixing clamping plate (24), of the adjusting bolt (29), the second bearing (30) is fixedly embedded on one side of the movable clamping plate (26), the movable clamping plate (26) and the fixing clamping plate (24) are both in arc-shaped plate structures, a handheld handle (31) is fixedly arranged on the outer wall of the middle of the first annular column (18), silica gel anti-skid pads (32) are fixedly arranged on the outer walls of two sides of the handheld handle (31), and the clamping plate (14) and the electromagnet (15) are both in arc-shaped plate structures;
in practical application, the adhesive coating (10) of the adhesive plate (9) is adhered to the periphery of a wound of a patient, the central position of the cylinder (4) is aligned with the wound of the patient, the cylinder (4) is fixed, the prepared endoscope sheath is placed between the clamping plates (14) on two sides, the first knob (34) is used for rotating the first screw rod (12) to be matched with the limiting effect of the sliding rod (17) so that the clamping plate (14) can be attached to the outer wall of the endoscope sheath, then the depth of the endoscope sheath extending into the wound can be controlled through the handle (31), after the specified depth is reached, the electromagnet (15) is electrified, the iron sheet layer (2) inside the endoscope sheath can be adsorbed and fixed through the electromagnet (15), the endoscope sheath assembly (37) can be clamped and fixed through the fixing device, the endoscope sheath does not need to be manually supported and fixed, the labor capacity of workers is reduced, the fixing of the endoscope sheath is more stable, the operation can be carried out, the smooth caliber and the length of the endoscope can be adjusted, the size of the endoscope sheath can be adjusted, the endoscope sheath, the adhesive coating can be matched with the clamping plate (9), the clamping plate (6) and the fixing device can be repeatedly used for detaching the fixing device, the fixing device for detaching the endoscope sheath from the fixing clip (9), and the fixing device can be detached from the fixing block (26), so that the endoscope sheath is not easy to loosen.
2. A neuroendoscopic sheath according to claim 1, wherein a stop block (33) is fixedly arranged at one end of the slide bar (17) far away from the splint (14).
3. A neuroendoscope sheath according to claim 2, characterized in that the first knob (34) is fixedly arranged on the outer wall of the end of the first lead screw (12) far away from the first bearing (13), and the outer wall of the first knob (34) is processed with anti-skid convex patterns.
4. A neuroendoscopic sheath according to claim 3, wherein the first annular post (18) and the second annular post (19) are both made of an elastic material.
5. The neuroendoscopy sheath of claim 4, wherein the outer wall of the outer end of the second lead screw (22) is fixedly sleeved with a second knob (35), and the outer wall of the second knob (35) is processed with anti-skid convex patterns.
6. A neuroendoscopic sheath according to claim 5, wherein the inner walls of the fixed splint (24) and the movable splint (26) are fixed with anti-skid rubber pads (36).
7. A method for manufacturing a neuroendoscopy sheath according to claim 6, comprising the steps of:
(1) Determining the length and diameter of the sheath;
(2) And manufacturing an inner layer and an iron sheet layer: preparing a transparent plastic piece and an iron piece, trimming according to the length of the firewood determined in the step (1) to obtain long edges of the transparent plastic piece and the iron piece, calculating the circumference according to the diameter of the sheath determined in the step (1), and trimming according to the length of the circumference to obtain wide edges of the transparent plastic piece and the iron piece, so as to obtain an inner layer and an iron piece layer;
(3) And manufacturing an outer layer: preparing a piece of medical hemostatic gauze, wherein the length of the medical hemostatic gauze is 0.3-6cm longer than that of the inner layer of the sheath, and the width of the medical hemostatic gauze is 0.5-0.9cm wider than that of the inner layer of the sheath;
(5) And manufacturing an endoscope sheath: rolling the inner layer into a cylindrical structure and bonding the inner layer with glue, then rolling the iron sheet layer into a cylindrical structure, sleeving the iron sheet layer on the outer wall of the inner layer and bonding the iron sheet layer with glue, and finally rolling the outer layer into a cylindrical structure, sleeving the iron sheet layer on the outer wall of the iron sheet layer and bonding the iron sheet layer with glue to obtain an inner lens sheath;
(6) And preparing a protective sheath: the upper end of the endoscope sheath is arranged between the movable clamping plates of the fixed clamping plates, and then the movable clamping plates are matched with the fixed clamping plates to clamp and fix the upper end of the endoscope sheath by turning the adjusting bolts.
8. The manufacturing method of a neuroendoscope sheath according to claim 7, wherein the bonding positions of the inner layer, the iron sheet layer and the outer layer are all located on the same side and are clamped and fixed by the movable clamping plate and the fixed clamping plate.
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| CN202011275298.9A CN112386219B (en) | 2020-11-13 | 2020-11-13 | Neuroendoscopy sheath and manufacturing method thereof |
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| JP2014200330A (en) * | 2013-04-01 | 2014-10-27 | テルモ株式会社 | Introducer sheath and introducer assembly |
| CN104771222A (en) * | 2015-03-17 | 2015-07-15 | 绍兴第二医院 | Neuroendoscopic sheath manufacturing method and neuroendoscopic sheath |
| CN209122431U (en) * | 2018-06-21 | 2019-07-19 | 天新福（北京）医疗器材股份有限公司 | A kind of transparent nerve endoscope sheath with fixed device |
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